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Table 3 Correlations among EDSS and PDDS with functional system scores from the EDSS in 96 patients with multiple sclerosis

From: Validation of patient determined disease steps (PDDS) scale scores in persons with multiple sclerosis

Functional system

EDSS

EDSS 95% CI

PDDS

PDDS 95% CI

P-value

Visual

0.369**

(0.182) - (0.530)

0.253*

(0.055) – (0.432)

.38

Brainstem

0.157

(-0.045) - (0.347)

0.184

(-0.017)- (0.371)

.85

Pyramidal

0.647**

(0.513) - (0.750)

0.578**

(0.427) – (0.698)

.45

Cerebellar

0.528**

(0.366) - (0.659)

0.501**

(0.334) – (0.637)

.80

Sensory

0.398**

(0.215) - (0.554)

0.392**

(0.208) – (0.549)

.96

Bladder/Bowel

0.317**

(0.124) - (0.487)

0.377**

(0.191) – (0.537)

.64

Mental

0.255*

(0.057) - (0.433)

0.169

(-0.033) – (0.357)

.54

  1. Note. EDSS = Expanded Disability Status Scale, PDDS = Patient Determined Disease Steps scale, P-value for the statistical significance of the difference between correlation coefficients for EDSS and PDDS with FS scores, * = p < .05, ** = p < .01, CI = Confidence Interval.
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BMC Neurology

ISSN: 1471-2377

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